package org.common.convert.tohtml;

import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.hssf.util.HSSFColor;
import org.apache.poi.ooxml.POIXMLDocumentPart;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.usermodel.*;
import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;
import sun.misc.BASE64Encoder;

import java.io.*;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * xlsx转换为html
 */
public class XlsxToHtml {
    private static Map<String, Object> map[];

    /**
     * 获取第一个可见的工作表
     * @param inputFilePath
     * @return
     * @throws IOException
     */
    public static int getFirstVisibleSheetIndex(String inputFilePath) throws IOException {
        Workbook workbook = new XSSFWorkbook(inputFilePath);

        try {
            int sheetCount = workbook.getNumberOfSheets();
            //转换第一个非
            for (int i = 0; i < sheetCount; i++) {
                boolean hidden = workbook.isSheetHidden(i);
                if (!hidden) {
                    return i;
                }
            }
            return -1;
        }finally {
            if(workbook!=null) {
                workbook.close();
            }
        }
    }
    /**
     * 程序入口方法（读取指定位置的excel，将其转换成html形式的字符串，并保存成同名的html文件在相同的目录下，默认带样式）
     * @param inputFilePath 文件路径
     * @param sheetIndex 工作表索引
     * @param outputFilePath 输出html文件名
     * @return <table>...</table> 字符串
     */
    public static void xlsxToHtml(String inputFilePath, int sheetIndex,String outputFilePath) throws IOException {
        try {
            // 创建一个 XSSFWorkbook 对象来读取 .xlsx 文件
            Workbook workbook = new XSSFWorkbook(inputFilePath);
            if(sheetIndex<0)
                throw new Exception("无效的索引！");
            XSSFSheet sheet = (XSSFSheet) workbook.getSheetAt(sheetIndex);

            // 获取工作簿中第一个工作表的名称，索引从0开始
            String sheetName = workbook.getSheetName(sheetIndex);

            // 关闭工作簿
            workbook.close();
            xlsxToHtml(inputFilePath, sheetName, outputFilePath);

        } catch (Exception e) {
            throw new IOException(e.getMessage());
        }

    }
    /**
     * 程序入口方法（读取指定位置的excel，将其转换成html形式的字符串，并保存成同名的html文件在相同的目录下，默认带样式）
     * @param inputFilePath 文件路径
     * @param sheetName 工作表名称
     * @param outputFilePath 输出html文件名
     * @return <table>...</table> 字符串
     */
    public static void xlsxToHtml(String inputFilePath, String sheetName,String outputFilePath) throws IOException {
        File sourceFile = new File(inputFilePath);
        FileOutputStream fileOutputStream = null;
        InputStream fis = null;
        try {
            System.out.println("outputFilePath:"+outputFilePath);
            fis = new FileInputStream(sourceFile);
            String excelHtml = readExcelToHtml(fis, true, sheetName);
//            System.out.println(excelHtml);
            fileOutputStream = new FileOutputStream(outputFilePath);
            fileOutputStream.write(excelHtml.getBytes("UTF-8"));
        } catch (Exception e) {
            e.printStackTrace();
            throw e;
        }finally {
            if(fis!=null){
                try {
                    fis.close();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
            if(fileOutputStream!=null){
                try {
                    fileOutputStream.close();
                } catch (IOException e) {
                    throw new RuntimeException(e);
                }
            }
        }
    }
    /**
     * 程序入口方法（将指定路径的excel文件读取成字符串）
     * @param filePath 文件的路径
     * @param isWithStyle 是否需要表格样式 包含 字体 颜色 边框 对齐方式
     * @return <table>...</table> 字符串
     */
    public static String readExcelToHtml(String filePath , boolean isWithStyle, String sheetName){
        InputStream is = null;
        String htmlExcel = null;
        try {
            File sourcefile = new File(filePath);
            is = new FileInputStream(sourcefile);
            Workbook wb = WorkbookFactory.create(is);
            htmlExcel = readWorkbook(wb, isWithStyle, sheetName);
        } catch (Exception e) {
            e.printStackTrace();
        }finally{
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return htmlExcel;
    }
    /**
     * 程序入口方法（将指定路径的excel文件读取成字符串）
     * @param is excel转换成的输入流
     * @param isWithStyle 是否需要表格样式 包含 字体 颜色 边框 对齐方式
     * @return <table>...</table> 字符串
     */
    public static String readExcelToHtml(InputStream is,boolean isWithStyle,String sheetName){
        String htmlExcel = null;
        try {
            Workbook wb = WorkbookFactory.create(is);
            htmlExcel = readWorkbook(wb,isWithStyle,sheetName);
        } catch (Exception e) {
            e.printStackTrace();
        }finally{
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        return htmlExcel;
    }

    /**
     * 根据excel的版本分配不同的读取方法进行处理
     * @param wb
     * @param isWithStyle
     * @return
     */
    private static String readWorkbook(Workbook wb,boolean isWithStyle,String sheetName){
        String htmlExcel = "";
        if (wb instanceof XSSFWorkbook) {
            XSSFWorkbook xWb = (XSSFWorkbook) wb;
            htmlExcel = getExcelInfo(xWb, isWithStyle, sheetName);
        }else if(wb instanceof HSSFWorkbook){
            HSSFWorkbook hWb = (HSSFWorkbook) wb;
            htmlExcel = getExcelInfo(hWb, isWithStyle, sheetName);
        }
        return htmlExcel;
    }

    /**
     * 读取excel成string
     * @param wb
     * @param isWithStyle
     * @return
     */
    public static String getExcelInfo(Workbook wb, boolean isWithStyle, String sheetName){
        wb.setForceFormulaRecalculation(true);

        StringBuffer sb = new StringBuffer();
// 默认获取第一个Sheet的内容
        Sheet sheet = sheetName!=null && !"".equals(sheetName)?wb.getSheet(sheetName):wb.getSheetAt(0);
        if(sheet==null){
            System.err.println("Sheet 找不到！");
            return "";
        }
//sheet.setActive(true);//取消受保护的视图
// map等待存储excel图片
        Map<String, PictureData> sheetIndexPicMap = getSheetPictrues(
                sheetName!=null && !"".equals(sheetName)?wb.getSheetIndex(sheetName):0, sheet, wb );
// map对应的64位图片流字符串
        Map<String, String> base64EncoderMap = new HashMap<String, String>();
// 临时保存位置，正式环境根据部署环境存放其他位置
        try {
            if(sheetIndexPicMap != null){
                base64EncoderMap = printImg(sheetIndexPicMap);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

// 读取excel拼装html
        int lastRowNum = sheet.getLastRowNum();
        map = getRowSpanColSpanMap(sheet);
        String tableTitle = "<table style='border-collapse:collapse;";//表头
//sb.append("<table style='border-collapse:collapse;width:100%;'>");
        Row row = null;      //兼容
        Cell cell = null;    //兼容
        List rowColTotalWidthList  = new ArrayList(); // 行列的总宽度
        for (int rowNum = sheet.getFirstRowNum(); rowNum <= lastRowNum; rowNum ++) {
            if(rowNum > 1000) break;
            row = sheet.getRow(rowNum);
//POIExcelToHtml.updateFormula(wb,sheet,rowNum);
            int lastColNum = getColsOfTable(sheet)[0];
            int rowHeight = getColsOfTable(sheet)[1];
            int colWidth = 0; //列宽
            if(null != row) {
                lastColNum = row.getLastCellNum();
                rowHeight = row.getHeight();
            }
            if (null == row) {
                sb.append("<tr height='10'><td >  </td></tr>");
                continue;
            }else if(row.getZeroHeight()){
                continue;
            }else if(0 == rowHeight){
                continue; // 针对jxl的隐藏行（此类隐藏行只是把高度设置为0，单getZeroHeight无法识别）
            }
            sb.append("<tr height='10'>");

            for (int colNum = 0; colNum < lastColNum; colNum ++) {
// 隐藏列，有合并的列隐藏样式有问题
                if(sheet.isColumnHidden(colNum)){
//sb.append("<td></td>");
                    continue;
                }
                String imageRowNum = "0_" + rowNum + "_" + colNum;
                String imageHtml = "";
                cell = row.getCell(colNum);
                if ((sheetIndexPicMap != null && !sheetIndexPicMap.containsKey(imageRowNum) || sheetIndexPicMap == null) && cell == null) {    //特殊情况 空白的单元格会返回null+//判断该单元格是否包含图片，为空时也可能包含图片
                    sb.append("<td>  </td>");
                    continue;
                }
                if(sheetIndexPicMap!=null && sheetIndexPicMap.containsKey(imageRowNum)){
//String ext = pic.suggestFileExtension();
// 待修改路径
                    String imagePath = "D:\\pic" + imageRowNum + ".jpeg";
//imageHtml = "<img src='" + base64EncoderMap.get(imageRowNum) + "' style='height:" + rowHeight + "px;'>";
                    imageHtml = "<img src='" + imagePath + "' style='height:" + rowHeight / 20 + "px;'>";
                }
                String stringValue = getCellValue(cell); // 获取列的值
                if (map[0].containsKey(rowNum + "," + colNum)) { // map[0]，保存合并单元格的对应起始和截止单元格
                    String pointString = (String)map[0].get(rowNum + "," + colNum);
                    int bottomeRow = Integer.valueOf(pointString.split(",")[0]);
                    int bottomeCol = Integer.valueOf(pointString.split(",")[1]);
                    int rowSpan = bottomeRow - rowNum + 1;
                    int colSpan = bottomeCol - colNum + 1;
                    if(map[2].containsKey(rowNum + "," + colNum)){
                        rowSpan = rowSpan - (Integer)map[2].get(rowNum + "," + colNum);
                    }
                    sb.append("<td rowspan= '" + rowSpan + "' colspan= '"+ colSpan + "' ");
                    if(map.length > 3 && map[3].containsKey(rowNum + "," + colNum)){
// 此类数据首行被隐藏，value为空，需使用其他方式获取值
                        stringValue = getMergedRegionValue(sheet, rowNum, colNum);
                    }
                } else if (map[1].containsKey(rowNum + "," + colNum)) { // map[1]，保存被合并的那些单元格
                    map[1].remove(rowNum + "," + colNum);
                    continue;
                } else {
                    sb.append("<td ");
                }
//System.out.println(sb);
// 判断是否需要样式
                if(isWithStyle){
                    colWidth += dealExcelStyle(wb, sheet, cell, sb); // 处理单元格样式
                }
                sb.append(">");
//System.out.println("imageRowNum:"+imageRowNum);
                if(sheetIndexPicMap!=null && sheetIndexPicMap.containsKey(imageRowNum))
                    sb.append(imageHtml);
                if (stringValue == null || "".equals(stringValue.trim())) {
                    sb.append("   ");
                } else {
// 将ascii码为160的空格转换为html下的空格（ ）
                    sb.append(stringValue.replace(String.valueOf((char) 160)," "));
                }
                sb.append("</td>");
            }
            sb.append("</tr>");
            rowColTotalWidthList.add( colWidth );
            continue;
        }
// 行列总列宽中提取最大的值为table的长度
        String maxWidth = rowColTotalWidthList.size()>0? Collections.max(rowColTotalWidthList)+"px":"100%";

        sb.append("</table>");
        tableTitle = tableTitle+"width:"+maxWidth+"'>";
        sb.insert(0, tableTitle); // 在最开始的位置添加
        return sb.toString();
    }

    /**
     * 分析excel表格，记录合并单元格相关的参数，用于之后html页面元素的合并操作
     * @param sheet
     * @return
     */
    private static Map<String, Object>[] getRowSpanColSpanMap(Sheet sheet) {
        Map<String, String> map0 = new HashMap<String, String>();// 保存合并单元格的对应起始和截止单元格
        Map<String, String> map1 = new HashMap<String, String>();// 保存被合并的那些单元格
        Map<String, Integer> map2 = new HashMap<String, Integer>();// 记录被隐藏的单元格个数
        Map<String, String> map3 = new HashMap<String, String>();// 记录合并了单元格，但是合并的首行被隐藏的情况
        int mergedNum = sheet.getNumMergedRegions();
        CellRangeAddress range = null;
        Row row = null;
        for (int i = 0; i < mergedNum; i++) {
            range = sheet.getMergedRegion(i);
            int topRow = range.getFirstRow();
            int topCol = range.getFirstColumn();
            int bottomRow = range.getLastRow();
            int bottomCol = range.getLastColumn();
/**
 * 此类数据为合并了单元格的数据
 * 1.处理隐藏（只处理行隐藏，列隐藏poi已经处理）
 */
            if(topRow != bottomRow){
                int zeroRoleNum = 0;
                int tempRow = topRow;
                for(int j = topRow; j <= bottomRow; j ++){
                    row = sheet.getRow(j);
                    if(row.getZeroHeight() || row.getHeight() == 0){
                        if(j == tempRow){
// 首行就进行隐藏，将rowTop向后移
                            tempRow ++;
                            continue; // 由于top下移，后面计算rowSpan时会扣除移走的列，所以不必增加zeroRoleNum;
                        }
                        zeroRoleNum ++;
                    }
                }
                if(tempRow != topRow){
                    map3.put(tempRow + "," + topCol,topRow + "," + topCol);
                    topRow = tempRow;
                }
                if(zeroRoleNum!=0) map2.put(topRow + "," + topCol, zeroRoleNum);
            }
            map0.put(topRow + "," + topCol, bottomRow + "," + bottomCol);
            int tempRow = topRow;
            while (tempRow <= bottomRow) {
                int tempCol = topCol;
                while (tempCol <= bottomCol) {
                    map1.put(tempRow + "," + tempCol, topRow + "," + topCol);
                    tempCol++;
                }
                tempRow++;
            }
            map1.remove(topRow + "," + topCol);
        }
        Map[] map = { map0, map1 ,map2,map3};
        System.err.println(map0);
        return map;
    }

    /**
     * 获取合并单元格的值
     * @param sheet
     * @param row
     * @param column
     * @return
     */
    public static String getMergedRegionValue(Sheet sheet, int row, int column){
        int sheetMergeCount = sheet.getNumMergedRegions();
        for(int i = 0 ; i < sheetMergeCount ; i++){
            CellRangeAddress ca = sheet.getMergedRegion(i);
            int firstColumn = ca.getFirstColumn();
            int lastColumn = ca.getLastColumn();
            int firstRow = ca.getFirstRow();
            int lastRow = ca.getLastRow();

            if(row >= firstRow && row <= lastRow){

                if(column >= firstColumn && column <= lastColumn){
                    Row fRow = sheet.getRow(firstRow);
                    Cell fCell = fRow.getCell(firstColumn);

                    return getCellValue(fCell) ;
                }
            }
        }
        return null ;
    }
    /**
     * 获取表格单元格Cell内容
     * @param cell
     * @return
     */
    private static String getCellValue(Cell cell) {
        String result = new String();
        if (cell.getCellType() == CellType.NUMERIC) { // 数字类型
            if (DateUtil.isCellDateFormatted(cell)) { // 处理日期格式、时间格式
                SimpleDateFormat sdf = null;
                if (cell.getCellStyle().getDataFormat() == HSSFDataFormat.getBuiltinFormat("h:mm")) {
                    sdf = new SimpleDateFormat("HH:mm");
                } else { // 日期
                    sdf = new SimpleDateFormat("yyyy-MM-dd");
                }
                Date date = cell.getDateCellValue();
                result = sdf.format(date);
            } else if (cell.getCellStyle().getDataFormat() == 58) {
// 处理自定义日期格式：m月d日(通过判断单元格的格式id解决，id的值是58)
                SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
                double value = cell.getNumericCellValue();
                Date date = org.apache.poi.ss.usermodel.DateUtil
                        .getJavaDate(value);
                result = sdf.format(date);
            } else {
                double value = cell.getNumericCellValue();
                CellStyle style = cell.getCellStyle();
                DecimalFormat format = new DecimalFormat();
                String temp = style.getDataFormatString();
// 单元格设置成常规
                if (temp.equals("General")) {
                    format.applyPattern("#");
                }
                result = format.format(value);
            }

        } else if (cell.getCellType() == CellType.BLANK) {
            result = "";

        } else if (cell.getCellType() == CellType.ERROR) {
            result = String.valueOf(cell.getErrorCellValue());

        } else if (cell.getCellType() == CellType.FORMULA) {
            FormulaEvaluator evaluator = cell.getSheet().getWorkbook().getCreationHelper().createFormulaEvaluator();
            CellValue cellValue = evaluator.evaluate(cell);
            System.out.println("公式计算结果: " + cellValue.getNumberValue());

        } else if (cell.getCellType() == CellType.BOOLEAN) {
            result = String.valueOf(cell.getBooleanCellValue());
        }
//            case CellType.DATE_FORMULA: //如果是公式
//                try{
//
//                        double nValue = cell.getNumericCellValue();
//                        String strFormat = "yyyy-MM-dd HH:mm:ss";
//                        if (nValue < 1) {
//                            strFormat = "HH:mm:ss";
//                        } else {
//                            if ( nValue - Math.floor(nValue) < 1.0/(24*60*60)) {
//                                // 少于1秒，表示只有日期
//                                strFormat = "yyyy-MM-dd";
//                            }
//                        }
//                        Date theDate = cell.getDateCellValue();
//                        SimpleDateFormat dff = new SimpleDateFormat(strFormat);
//                        result = dff.format(theDate);
//
//                }catch(Exception e){
//                    result = "";
//                    e.printStackTrace();
//                }
//                break;
        else {
            if (cell.getRichStringCellValue() != null) {
                result = cell.getRichStringCellValue().toString();
            } else {
                result = "";
            }
        }

        return result;
    }

    /**
     * 处理表格样式
     * @param wb
     * @param sheet
     * @param cell
     * @param sb
     */
    private static int dealExcelStyle(Workbook wb, Sheet sheet, Cell cell, StringBuffer sb){
        CellStyle cellStyle = cell.getCellStyle();
        int colWidth = 50; // 默认50
        if (cellStyle != null) {
            HorizontalAlignment alignment = cellStyle.getAlignment();
            sb.append("align='" + convertAlignToHtml(alignment) + "' "); // 单元格内容的水平对齐方式
            VerticalAlignment verticalAlignment = cellStyle.getVerticalAlignment();
            sb.append("valign='"+ convertVerticalAlignToHtml(verticalAlignment)+ "' "); // 单元格中内容的垂直排列方式

            if (wb instanceof XSSFWorkbook) {

                XSSFFont xf = ((XSSFCellStyle) cellStyle).getFont();
                short boldWeight =200;
                if(xf.getBold()) {
                    boldWeight = 700;
                }
                sb.append("style='");
                sb.append("font-weight:" + boldWeight + ";"); // 字体加粗
                sb.append("font-size: " + xf.getFontHeight() / 2 + "%;"); // 字体大小

                int topRow = cell.getRowIndex(),topColumn = cell.getColumnIndex();
                if(map[0].containsKey(topRow+","+topColumn)){ // 该单元格为合并单元格，宽度需要获取所有单元格宽度后合并
                    String value = (String)map[0].get(topRow+","+topColumn);
                    String[] ary = value.split(",");
                    int bottomColumn = Integer.parseInt(ary[1]);
                    if(topColumn!=bottomColumn){ // 合并列，需要计算相应宽度
                        int columnWidth = 0;
                        for(int i=topColumn;i<=bottomColumn;i++){
                            columnWidth += sheet.getColumnWidth(i);
                        }
                        colWidth = columnWidth/256*xf.getFontHeight()/20;
                        sb.append("width:" + colWidth + "pt;");
                    }else{
                        int columnWidth = sheet.getColumnWidth(cell.getColumnIndex()) ;
                        colWidth = columnWidth/256*xf.getFontHeight()/20;
                        sb.append("width:" + colWidth + "pt;");
                    }
                }else{
                    int columnWidth = sheet.getColumnWidth(cell.getColumnIndex()) ;
                    colWidth = columnWidth/256*xf.getFontHeight()/20;
                    sb.append("width:" + colWidth + "pt;");
                }

                XSSFColor xc = xf.getXSSFColor();
                if (xc != null && !"".equals(xc.toString())) {
                    sb.append("color:#" + xc.getARGBHex().substring(2) + ";"); // 字体颜色
                }

                XSSFColor bgColor = (XSSFColor) cellStyle.getFillForegroundColorColor();
                cellStyle.getFillBackgroundColor();
                if (bgColor != null && !"".equals(bgColor.toString())) {
                    sb.append("background-color:#" + bgColor.getARGBHex().substring(2) + ";"); // 背景颜色
//Integer.parseInt("FF",16);
                    String opacity = bgColor.getARGBHex().substring(0,2);
                    if(!"FF".equals(opacity)){
                        int percent = hexToPercent(bgColor.getARGBHex().substring(0,2)); // 背景颜色，前两位是透明度
                        sb.append("opacity:" + percent/100 + ";");
                    }
//                    bgColor.getRgb();
//sb.append("background-color:#" + bgColor.getARGBHex() + ";"); // 背景颜色
                }
                sb.append("border:solid #000000 1px;");
//                sb.append(getBorderStyle(0,cellStyle.getBorderTop(), ((XSSFCellStyle) cellStyle).getTopBorderXSSFColor()));
//                sb.append(getBorderStyle(1,cellStyle.getBorderRight(), ((XSSFCellStyle) cellStyle).getRightBorderXSSFColor()));
//                sb.append(getBorderStyle(2,cellStyle.getBorderBottom(), ((XSSFCellStyle) cellStyle).getBottomBorderXSSFColor()));
//                sb.append(getBorderStyle(3,cellStyle.getBorderLeft(), ((XSSFCellStyle) cellStyle).getLeftBorderXSSFColor()));
            }else if(wb instanceof HSSFWorkbook){
                HSSFFont hf = ((HSSFCellStyle) cellStyle).getFont(wb);
                short boldWeight =200;
                if(hf.getBold()) {
                    boldWeight = 700;
                }
                short fontColor = hf.getColor();
                sb.append("style='");

                HSSFPalette palette = ((HSSFWorkbook) wb).getCustomPalette(); // 类HSSFPalette用于求的颜色的国际标准形式
                HSSFColor hc = palette.getColor(fontColor);
                sb.append("font-weight:" + boldWeight + ";"); // 字体加粗
                sb.append("font-size: " + hf.getFontHeight() / 2 + "%;"); // 字体大小
                String fontColorStr = convertToStardColor(hc);
                if (fontColorStr != null && !"".equals(fontColorStr.trim())) {
                    sb.append("color:" + fontColorStr + ";"); // 字体颜色
                }

                int topRow = cell.getRowIndex(),topColumn = cell.getColumnIndex();
                if(map[0].containsKey(topRow + "," + topColumn)){ // 该单元格为合并单元格，宽度需要获取所有单元格宽度后合并
                    String value = (String)map[0].get(topRow + "," + topColumn);
                    String[] ary = value.split(",");
                    int bottomColumn = Integer.parseInt(ary[1]);
                    if(topColumn != bottomColumn){ // 合并列，需要计算相应宽度
                        int columnWidth = 0;
                        for(int i = topColumn; i <= bottomColumn; i++){
                            columnWidth += sheet.getColumnWidth(i);
                        }
                        colWidth = columnWidth / 256 * hf.getFontHeight() / 20;
                        sb.append("width:" + colWidth + "pt;");
                    }else{
                        int columnWidth = sheet.getColumnWidth(cell.getColumnIndex()) ;
                        colWidth = columnWidth / 256 * hf.getFontHeight() / 20;
                        sb.append("width:" + colWidth + "pt;");
                    }
                }else{
                    int columnWidth = sheet.getColumnWidth(cell.getColumnIndex()) ;
                    colWidth = columnWidth / 256 * hf.getFontHeight() / 20;
                    sb.append("width:" + colWidth + "pt;");
                }

                short bgColor = cellStyle.getFillForegroundColor();
                hc = palette.getColor(bgColor);
                String bgColorStr = convertToStardColor(hc);
                if (bgColorStr != null && !"".equals(bgColorStr.trim())) {
                    sb.append("background-color:" + bgColorStr + ";"); // 背景颜色
                }
                sb.append("border:solid #000000 1px;");
            }
            sb.append("' ");
        }
        return colWidth;
    }
    /**
     * 根据hex获取百分比
     * @param h
     * @return percent
     */
    private static int hexToPercent(String h){
        for (double i = 1; i >= 0; i -= 0.01) {
            i = Math.round(i * 100) / 100.0d;
            int alpha = (int) Math.round(i * 255);
            String hex = Integer.toHexString(alpha).toUpperCase();
            if (hex.length() == 1) hex = "0" + hex;
            int percent = (int) (i * 100);
            if(hex.equals(h)){
//    System.out.println(String.format("%d%% — %s", percent, hex));
                return percent;
            }
            //System.out.println(String.format("%d%% — %s", percent, hex));
        }
        return 100;
    }
    /**
     * 单元格内容的水平对齐方式
     * @param alignment
     * @return
     */
    private static String convertAlignToHtml(HorizontalAlignment alignment) {
        String align = "left";
        if (alignment == HorizontalAlignment.LEFT){
            align = "left";

        }else if(alignment == HorizontalAlignment.CENTER) {
            align = "center";
        }else if(alignment== HorizontalAlignment.RIGHT){
            align = "right";

        }
        return align;
    }

    /**
     * 单元格中内容的垂直排列方式
     * @param verticalAlignment
     * @return
     */
    private static String convertVerticalAlignToHtml(VerticalAlignment verticalAlignment) {
        String valign = "middle";
        if(verticalAlignment ==  VerticalAlignment.BOTTOM) {
            valign = "bottom";
        }else if(verticalAlignment== VerticalAlignment.CENTER) {
            valign = "center";
        }else if( verticalAlignment== VerticalAlignment.TOP){
            valign = "top";
        }
        return valign;
    }

    private static String convertToStardColor(HSSFColor hc) {
        StringBuffer sb = new StringBuffer("");
        if (hc != null) {
            if (IndexedColors.AUTOMATIC.index == hc.getIndex()) {
                return null;
            }
            sb.append("#");
            for (int i = 0; i < hc.getTriplet().length; i ++) {
                sb.append(fillWithZero(Integer.toHexString(hc.getTriplet()[i])));
            }
        }
        return sb.toString();
    }

    private static String fillWithZero(String str) {
        if (str != null && str.length() < 2) {
            return "0" + str;
        }
        return str;
    }

    static String[] bordesr = {"border-top:", "border-right:", "border-bottom:", "border-left:"};
    static String[] borderStyles = {"solid ", "solid ", "solid ", "solid ", "solid ", "solid ", "solid ", "solid ", "solid ", "solid", "solid", "solid", "solid", "solid"};

    @SuppressWarnings("unused")
    private static  String getBorderStyle(HSSFPalette palette , int b, short s, short t){
        if(s == 0) return  bordesr[b] + borderStyles[s] + "#d0d7e5 1px;";
        String borderColorStr = convertToStardColor( palette.getColor(t));
        borderColorStr = borderColorStr == null || borderColorStr.length() < 1 ? "#000000" : borderColorStr;
        return bordesr[b] + borderStyles[s] + borderColorStr + " 1px;";
    }

    @SuppressWarnings("unused")
    private static  String getBorderStyle(int b, short s, XSSFColor xc){
        if(s == 0)return  bordesr[b] + borderStyles[s] + "#d0d7e5 1px;";
        if (xc != null && ! "".equals(xc)) {
            String borderColorStr = xc.getARGBHex(); // t.getARGBHex();
            borderColorStr=borderColorStr == null || borderColorStr.length() < 1 ? "#000000" : borderColorStr.substring(2);
            return bordesr[b] + borderStyles[s]+borderColorStr+" 1px;";
        }
        return "";
    }

    @SuppressWarnings("unused")
    private static void writeFile(String content, String path) {
        OutputStream os = null;
        BufferedWriter bw = null;
        try {
            File file = new File(path);
            os = new FileOutputStream(file);
            bw = new BufferedWriter(new OutputStreamWriter(os,"GBK"));
            bw.write(content);
        } catch (FileNotFoundException fnfe) {
            fnfe.printStackTrace();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        } finally {
            try {
                if (null != bw)
                    bw.close();
                if (null != os)
                    os.close();
            } catch (IOException ie) {
                ie.printStackTrace();
            }
        }
    }


    /**
     * 获取Excel图片公共方法
     * @param sheetNum 当前sheet编号
     * @param sheet 当前sheet对象
     * @param workbook 工作簿对象
     * @return Map key:图片单元格索引（0_1_1）String，value:图片流PictureData
     */
    public static Map<String, PictureData> getSheetPictrues(int sheetNum, Sheet sheet, Workbook workbook) {
        if(workbook instanceof  HSSFWorkbook){
            return getSheetPictrues03(sheetNum, (HSSFSheet) sheet, (HSSFWorkbook) workbook);
        }else if(workbook instanceof  XSSFWorkbook){
            return getSheetPictrues07(sheetNum, (XSSFSheet) sheet, (XSSFWorkbook) workbook);
        }else{
            return null;
        }
    }

    /**
     * 获取Excel2003图片
     * @param sheetNum 当前sheet编号
     * @param sheet 当前sheet对象
     * @param workbook 工作簿对象
     * @return Map key:图片单元格索引（0_1_1）String，value:图片流PictureData
     * @throws IOException
     */
    private static Map<String, PictureData> getSheetPictrues03(int sheetNum,
                                                               HSSFSheet sheet, HSSFWorkbook workbook) {

        Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
        List<HSSFPictureData> pictures = workbook.getAllPictures();
        if (pictures.size() != 0) {
            for (HSSFShape shape : sheet.getDrawingPatriarch().getChildren()) {
                HSSFClientAnchor anchor = (HSSFClientAnchor) shape.getAnchor();
                shape.getLineWidth();
                if (shape instanceof HSSFPicture) {
                    HSSFPicture pic = (HSSFPicture) shape;
                    int pictureIndex = pic.getPictureIndex() - 1;
                    HSSFPictureData picData = pictures.get(pictureIndex);
                    String picIndex = String.valueOf(sheetNum) + "_"
                            + String.valueOf(anchor.getRow1()) + "_"
                            + String.valueOf(anchor.getCol1());
                    sheetIndexPicMap.put(picIndex, picData);
                }
            }
            return sheetIndexPicMap;
        } else {
            return null;
        }
    }

    /**
     * 获取Excel2007图片
     * @param sheetNum 当前sheet编号
     * @param sheet 当前sheet对象
     * @param workbook 工作簿对象
     * @return Map key:图片单元格索引（0_1_1）String，value:图片流PictureData
     */
    private static Map<String, PictureData> getSheetPictrues07(int sheetNum,
                                                               XSSFSheet sheet, XSSFWorkbook workbook) {
        Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
        if(sheet !=null)
            for (POIXMLDocumentPart dr : sheet.getRelations()) {
                if (dr instanceof XSSFDrawing) {
                    XSSFDrawing drawing = (XSSFDrawing) dr;
                    List<XSSFShape> shapes = drawing.getShapes();
                    for (XSSFShape shape : shapes) {
                        if(shape.getDrawing()==null) // 如果是图表，则跳过
                            continue;
                        if(shape instanceof XSSFPicture) {
                            XSSFPicture pic = (XSSFPicture) shape;
                            XSSFClientAnchor anchor = pic.getPreferredSize();
                            CTMarker ctMarker = anchor.getFrom();
                            String picIndex = String.valueOf(sheetNum) + "_"
                                    + ctMarker.getRow() + "_" + ctMarker.getCol();
                            sheetIndexPicMap.put(picIndex, pic.getPictureData());
                        }else if(shape instanceof XSSFShapeGroup){
                            convertShapeGroupToHTML((XSSFShapeGroup) shape);
                        }
                    }
                }
            }

        return sheetIndexPicMap;
    }

    public static void printImg(List<Map<String, PictureData>> sheetList) throws IOException {
        for (Map<String, PictureData> map : sheetList) {
            printImg(map);
        }
    }

    public static Map printImg(Map<String, PictureData> map) throws IOException {
        Object key[] = map.keySet().toArray();
        Map<String, String> base64EncoderMap = new HashMap<String, String>();
        for (int i = 0; i < map.size(); i++) {
// 获取图片流
            PictureData pic = map.get(key[i]);
// 获取图片索引
            String picName = key[i].toString();
// 获取图片格式
            String ext = pic.suggestFileExtension();
            ext = "jpeg";
            byte[] data = pic.getData();
// 转换base64图片流
            String picType = pic.getMimeType(); // 如：image/png
            BASE64Encoder encoder = new BASE64Encoder();
            String imgStr = "data:" + picType + ";base64," + encoder.encode(data);
//System.out.println(imgStr);
//base64EncoderMap.put(picName, imgStr);
            FileOutputStream out = new FileOutputStream("D:\\pic" + picName + "." + ext);
            out.write(data);
            out.flush();
            out.close();
        }
        return base64EncoderMap;
    }
    private static int[] getColsOfTable(Sheet sheet) {
        int[] data = {0, 0};
        for(int i = sheet.getFirstRowNum(); i < sheet.getLastRowNum(); i ++) {
            if(null != sheet.getRow(i)) {
                data[0] = sheet.getRow(i).getLastCellNum();
                data[1] = sheet.getRow(i).getHeight();
            }else
                continue;
        }
        return data;
    }
    /**
     * 更新公式，替换为公式的值
     * @param wb
     * @param s
     * @param row
     */
    private static void updateFormula(Workbook wb,Sheet s,int row){
        Row r=s.getRow(row);
        Cell c=null;
        FormulaEvaluator eval=null;
        if(wb instanceof HSSFWorkbook)
            eval=new HSSFFormulaEvaluator((HSSFWorkbook) wb);
        else if(wb instanceof XSSFWorkbook)
            eval=new XSSFFormulaEvaluator((XSSFWorkbook) wb);
        for(int i=r.getFirstCellNum();i<r.getLastCellNum();i++){
            c=r.getCell(i);
            if(c.getCellType()==CellType.FORMULA)
                eval.evaluateFormulaCell(c);
        }
    }
    private static String convertShapeGroupToHTML(XSSFShapeGroup shapeGroup) {
        StringBuilder htmlBuilder = new StringBuilder("<div style='position: relative;'>");
        Iterator<XSSFShape> ites = shapeGroup.iterator();
        while (ites.hasNext()){
            XSSFShape shape = ites.next();
            if (shape instanceof XSSFPicture) {
                XSSFPicture picture = (XSSFPicture) shape;
                XSSFAnchor anchor = picture.getAnchor();
                if(anchor==null){
                    continue;
                }
                int x1 = anchor.getDx1();
                int y1 = anchor.getDy1();
                int x2 = anchor.getDx2();
                int y2 = anchor.getDy2();
                htmlBuilder.append("<img src='data:image/png;base64,")
                        .append(convertImageToBase64(picture))
                        .append("' style='position: absolute; left: ")
                        .append(x1)
                        .append("px; top: ")
                        .append(y1)
                        .append("px; width: ")
                        .append(x2 - x1)
                        .append("px; height: ")
                        .append(y2 - y1)
                        .append("px;'>");
            } else if (shape instanceof XSSFTextBox) {
                htmlBuilder.append(convertTextBoxToHTML((XSSFTextBox) shape));
            }
        }

        htmlBuilder.append("</div>");
        return htmlBuilder.toString();
    }
    private static String convertTextBoxToHTML(XSSFTextBox textBox) {
        XSSFAnchor anchor = textBox.getAnchor();
        int x1 = anchor.getDx1();
        int y1 = anchor.getDy1();
        int x2 = anchor.getDx2();
        int y2 = anchor.getDy2();

        String text = textBox.getText();
        String textContent = text;

        StringBuilder htmlBuilder = new StringBuilder();
        htmlBuilder.append("<div style='position: absolute; left: ")
                .append(x1)
                .append("px; top: ")
                .append(y1)
                .append("px; width: ")
                .append(x2 - x1)
                .append("px; height: ")
                .append(y2 - y1)
                .append("px;'>")
                .append(textContent)
                .append("</div>");

        return htmlBuilder.toString();
    }
    private static String convertImageToBase64(XSSFPicture picture) {
        byte[] bytes = picture.getPictureData().getData();
        return Base64.getEncoder().encodeToString(bytes);
    }
}
